Littlerayray
Contributor
All this hand signal talk has made me realize I'm really damn good at charades
What's the hand signal for "you all" or "we all"
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admikar
Contributor
Not only that, I'm taught to plan my dive with reserve intact. So half is not half of tank, but half of my usable air.
Me too. "T"+two fingers up for 120 is driving me crazy. Or "T"+fist+two fingers for 170??? What the hell is wrong with one finger up+two fingers horizontal?
EricTheDood
Contributor
I just wave both of my middle fingers at everybody.
"F you, and you, and you, and you....."
"F you, and you, and you, and you....."
admikar
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like @admikar in the US we try to only use hundreds of psi when signalling because no analog gauge is accurate enough to bother with anything smaller. So if you are asked for pressure "question" "pressure" *pressure should be a one handed signal btw, just a flat open palm after the question mark* and you signal 1-7, then it's assumed to be 1700psi. If I were diving with divers with bar gauges, I would assume they'd send it back in tens of bar for the same reason. No sense in signalling the assumed zero's.
In psi, there isn't any confusion over just flashing the hundreds number, and same in bar with double digit pressures
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We do. If I get the "pressure?" sign and have 170 bar left, my buddy will get "17" as an answer. And up here, that will normally be "fist up, then down" three times, followed by two fingers.
No reason other than to prevent possible confusion....it really doesn';t take long to add a couple of zeros. Do I really want to make a lot of assumptions? That way lies danger...
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Since this thread seems to be near the end of its natural life, I thought some might like to hear a story about signalling gas pressure.
A number of years ago I had a devastating bicycling accident that put me out of diving for a while. I scheduled a two week dive trip for soon after the doctor assured me I would be safe to dive. I planned to do a couple days of recreational diving followed by some decompression diving followed by some cave diving. Being safe to dive from a health standpoint and being able to function as needed with technical gear are two different things, though, especially if one of your injuries was a shattered collarbone that could restrict mobility in the arm. With that in mind, after a couple of days of single tank recreational diving, the operator I was using in Cozumel suggested I do a day of recreational diving wearing all the gear I would use in the subsequent decompression dives so I could make sure everything was working well. It seemed like a good plan.
Our boat had a group of decompression divers and a group of recreational divers--2 divers with single AL 80s and me with overfilled LP steel doubles, an AL 80, and an AL 40. The DM was fully briefed on why I was geared up like this, and he knew to ignore me while I was doing valve drills, switching tanks, etc. Before we went into the water, he gave us all a briefing, including how he wanted us to signal the amount of gas we had left when asked. I assumed this did not refer to me.
So about 3/4 of the way through the first dive, he turned to us and asked each one of the other divers how much gas they had, and they responded as instructed. Then he turned to me with the same signal. Of course, at that point I had more gas remaining than the 3 of them had had when they started the dive, so I was incredulous. I gave a gesture and a look of shock that clearly meant "WTF?" He got a very stern look on his face, borderline angry, and repeated the sign with emphasis. OK, then. I patiently pointed to each of the 4 tanks in turn (including each of the doubles separately) and signaled the amount of gas left in each. He apparently was satisfied that I had enough to continue the dive, because we moved on.
He never asked me again.
A number of years ago I had a devastating bicycling accident that put me out of diving for a while. I scheduled a two week dive trip for soon after the doctor assured me I would be safe to dive. I planned to do a couple days of recreational diving followed by some decompression diving followed by some cave diving. Being safe to dive from a health standpoint and being able to function as needed with technical gear are two different things, though, especially if one of your injuries was a shattered collarbone that could restrict mobility in the arm. With that in mind, after a couple of days of single tank recreational diving, the operator I was using in Cozumel suggested I do a day of recreational diving wearing all the gear I would use in the subsequent decompression dives so I could make sure everything was working well. It seemed like a good plan.
Our boat had a group of decompression divers and a group of recreational divers--2 divers with single AL 80s and me with overfilled LP steel doubles, an AL 80, and an AL 40. The DM was fully briefed on why I was geared up like this, and he knew to ignore me while I was doing valve drills, switching tanks, etc. Before we went into the water, he gave us all a briefing, including how he wanted us to signal the amount of gas we had left when asked. I assumed this did not refer to me.
So about 3/4 of the way through the first dive, he turned to us and asked each one of the other divers how much gas they had, and they responded as instructed. Then he turned to me with the same signal. Of course, at that point I had more gas remaining than the 3 of them had had when they started the dive, so I was incredulous. I gave a gesture and a look of shock that clearly meant "WTF?" He got a very stern look on his face, borderline angry, and repeated the sign with emphasis. OK, then. I patiently pointed to each of the 4 tanks in turn (including each of the doubles separately) and signaled the amount of gas left in each. He apparently was satisfied that I had enough to continue the dive, because we moved on.
He never asked me again.
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